Quantified Self

"You have walked 3,343 steps today," according to the FitBit Flex around your wrist. But why do you feel so sluggish? A quick peek at your daily data suggests that it could be due to your 10 periods of restlessness the night before.

The Quantified Self movement elicits a vision of futuristic self improvements that would allow us unprecedented access to our own daily "data" in ways that we have never had before.